100021112201001 has 8 divisors (see below), whose sum is σ = 141206276048544. Its totient is φ = 62758344910400.

The previous prime is 100021112200883. The next prime is 100021112201033. The reversal of 100021112201001 is 100102211120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021112201001 - 2¹⁰ = 100021112199977 is a prime.

It is a super-2 number, since 2×100021112201001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100021112200001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980599139175 + ... + 980599139276.

It is an arithmetic number, because the mean of its divisors is an integer number (17650784506068).

Almost surely, 2^{100021112201001} is an apocalyptic number.

It is an amenable number.

100021112201001 is a deficient number, since it is larger than the sum of its proper divisors (41185163847543).

100021112201001 is a wasteful number, since it uses less digits than its factorization.

100021112201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961198278471.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021112201001 its reverse (100102211120001), we get a palindrome (200123323321002).

The spelling of 100021112201001 in words is "one hundred trillion, twenty-one billion, one hundred twelve million, two hundred one thousand, one".